GNAS and pancreatic intraductal papillary-mucinous neoplasm: Schiavo Lena et al. detected KRAS (p.G12D), GNAS (p.R201H), CDKN2A (p.Y44*) mutations and CCND1 amplification (copy number 28) in both IPMN and NET components, serving as an evidence of a common cell origin [6].